Definitions by Rock Pile

Sex Lips 

a pet name for a significant other, also can be used to refer to a guy or girl with nice lips or big lips.

or even someone who as "dick sucking lips."

"Man, that guy has nice sex lips!"

"Sex Lips can you grab me a towel?"

"Look at those sex lips on that girl"

Sex Lips by Rock Pile March 1, 2009